Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alpha Carolyn Ulm0
Date of Patent
October 20, 2009
0Patent Application Number
114331160
Date Filed
May 12, 2006
0Patent Primary Examiner
Patent abstract
A mask includes a flexible backing and an expandable membrane. The flexible backing is configured to overlay the eyes and nose of a wearer. The expandable membrane is coupled to the backing. The expandable membrane fills the non planar surfaces of the face when the backing exerts a pressure onto the membrane.
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